Write a system of equations to describe the problem situation. It is not necessary to solve the problem. Larry has 26 nickels and quarters. He has $2.20 altogether. He has x nickels and y quarters.
A) x - y = 26, 0.10y + 0.25x = 2.20
B) x + y = 26, 0.10x + 0.25y = 2.20
C) x - y = 26, 0.05x + 0.25y = 2.20
D) x + y = 26, 0.05y + 0.25x = 2.20
E) x = 26 - y, 0.05x + 0.25y = 2.20
E) x = 26 - y, 0.05x + 0.25y = 2.20
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Solve the problem.The positions of two particles on the s-axis are s1 = sin t and 
with s1 and s2 in meters and t in seconds.At what time(s) in the interval 0 ? t ? 2? do the particles meet?
A. t = 
? sec and t = 
? sec
B. t = ? sec and t = 2? sec
C. t = 
? sec and t = 
? sec
D. t = 
? sec and t = 
? sec
Arrange the fractions in ascending order. Or, if the fractions are equivalent, answer "Equivalent".
, 
A. 
, 
B. 
, 
C. Equivalent
Find the point at which the line given by the parametric equations below intersects the plane.
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Find the trigonometric function value of the corresponding complimentary angle.Given that sin 40° ? 0.6428, find cos 50°
A. 0.7660 B. 1.305 C. 0.8391 D. 0.6428